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Finding the Fourth Proportional to 41,620.43, 62,401.44 and 15,321.80

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Solution

The fourth proportional to 41,620.43, 62,401.44 and 15,321.80 is: 22,971.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,620.43 : 62,401.44 = 15,321.80 : x
  2. Step 2: Convert to fraction form
    41,620.43/62,401.44 = 15,321.80/x
  3. Step 3: Cross multiply
    41,620.43x = 62,401.44 × 15,321.80
  4. Step 4: Simplify right side
    41,620.43x = 956,102,383.39
  5. Step 5: Solve for x
    x = 956,102,383.39/41,620.43
  6. Step 6: Final answer
    x = 22,971.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.